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MPOST(1)                          Web2C 7.5.6                         MPOST(1)

       mpost, inimpost, virmpost - MetaPost, a system for drawing pictures

       mpost [options] [commands]

       MetaPost  interprets  the MetaPost language and produces PostScript pictures.  The MetaPost language is similar
       to Knuth's Metafont with additional features for including tex(1) or troff(1) commands and  accessing  features
       of PostScript not found in Metafont.

       Like  TeX  and  Metafont,  MetaPost  is normally used with a large body of precompiled macros.  This version of
       MetaPost looks at its command line to see what name it was called under.  Both inimpost and virmpost  are  sym-
       links  to  the  mpost executable.  When called as inimpost (or when the -ini option is given) it can be used to
       precompile macros into a .mem file.  When called as virmpost it will use the plain mem.  When called under  any
       other  name, MetaPost will use that name as the name of the mem to use.   For example, when called as mpost the
       mpost mem is used, which is identical to the plain mem.  Other mems than plain are rarely used.

       The commands given on the command line to the MetaPost program are passed to it as the first input line.   (But
       it  is  often easier to type extended arguments as the first input line, since UNIX shells tend to gobble up or
       misinterpret MetaPost's favorite symbols, like semicolons, unless you quote them.)  The first line should begin
       with a filename, a \controlsequence, or a &memname.

       The  normal  usage  is  to say mpost figs to process the file  The basename of figs becomes the ''job-
       name'', and is used in forming output file names.  If no file is named, the jobname becomes mpout.  The default
       extension, .mp, can be overridden by specifying an extension explicitly.

       There is normally one output file for each picture generated, and the output files are named jobname.nnn, where
       nnn is a number passed to the beginfig macro.  The output file name can also be if  this  number  is

       The output files can be used as figures in a TeX document by including
       in the TeX document.  Alternatively, one can \input epsf.tex and then use the macro
       to produce a box of the appropriate size containing the figure.

       btex TeX commands etex
              This  causes  mpost  to generate a MetaPost picture expression that corresponds to the TeX commands.  If
              the TeX commands generate more than one line of text, it must be in a \vbox or a minipage environment.

       verbatimtex TeX commands etex
              This is ignored by mpost except that the TeX commands are passed on to TeX.  When using LaTeX instead of
              TeX  the  input  file must start with a verbatimtex block that gives the \documentstyle and \begin{docu-
              ment} commands.  You can use the '%&' construct in the first verbatimtex block to ensure that  the  cor-
              rect TeX format is used to process the commands.

       Since  most TeX fonts have to be downloaded as bitmaps, the btex feature works best when the output of mpost is
       to be included in a TeX document so that dvips(1) can download the fonts.  For self-contained PostScript output
       that can be used directly or included in a troff document, start your MetaPost input file with the command pro-
       logues:=1 and stick to standard PostScript fonts.  TeX and MetaPost use the names in the third  column  of  the
       file, which can be found in the directories with support files for MetaPost.

       MetaPost  output  can  be  included  in a troff document via the -m pictures macro package.  In this case mpost
       should be invoked with the -T flag so that the commands between btex and etex or between verbatimtex  and  etex
       are interpreted as troff instead of TeX.  (This automatically sets prologues:=1 ).

       This version of MetaPost understands the following command line options.

              Print error messages in the form file:line:error which is similar to the way many compilers format them.

              Disable printing error messages in the file:line:error style.

              This is the old name of the -file-line-error option.

              Exit with an error code when an error is encountered during processing.

       -help  Print help message and exit.

       -ini   Be inimpost, for dumping bases; this is implicitly true if the program is called as inimpost.

       -interaction mode
              Sets the interaction mode.  The mode can be one of batchmode, nonstopmode,  scrollmode,  and  errorstop-
              mode.  The meaning of these modes is the same as that of the corresponding commands.

       -jobname name
              Use name for the job name, instead of deriving it from the name of the input file.

       -kpathsea-debug bitmask
              Sets path searching debugging flags according to the bitmask.  See the Kpathsea manual for details.

       -mem mem
              Use  mem  as  the  name  of the mem to be used, instead of the name by which MetaPost was called or a %&

       -output-directory directory
              directory instead of the current directory.  Look up input files in directory first, the along the  nor-
              mal search path.

              If  the  first  line of the main input file begins with %& parse it to look for a dump name or a -trans-
              late-file option.

              Disable parsing of the first line of the main input file.

       -progname name
              Pretend to be program name.  This affects both the format used and the search paths.

              Enable the filename recorder.  This leaves a trace of the files opened for input and output  in  a  file
              with extension .fls.

       -T     Produce TROFF output.

       -translate-file tcxname
              Use the tcxname translation table.

       -troff As -T.

              Print version information and exit.

       See  the Kpathsearch library documentation (the 'Path specifications' node) for the details of how the environ-
       ment variables are use when searching.  The kpsewhich utility can be used to query the values of the variables.

       If the environment variable TEXMFOUTPUT is set, MetaPost attempts to put its output files in it, if they cannot
       be put in the current directory.

       Here is a list of the environment variables affect the behavior of mpost:

              Search path for input files.

              Auxiliary search path for input files with .mf extensions.

              Directory for various tables for handling included tex and troff.

              The name of a shell script that converts embedded typesetting commands to a  form  that  MetaPost
              understands.  Defaults: makempx for tex and troffmpx for troff.

       TEX    The  version  of  TeX - or LaTeX - to use when processing btex and verbatimtex commands.  Default
              tex.  This version of MetaPost allows you to use a '%&format' line instead.

       TROFF  The troff pipeline for btex and verbatimtex commands.  Default eqn -d\$\$ | troff

       MPEDIT A command template for invoking an editor.

       A .mem file is a binary file that permits fast loading of  macro  packages.   mpost  reads  the  default
       plain.mem unless another .mem file is specified at the start of the first line with an & just before it.
       There is also an mfplain.mem that simulates plain Metafont so that mpost can  read  .mf  fonts.   (Plain
       Metafont is described in The Metafontbook).

       Experts  can create .mem files be invoking inimpost and giving macro definitions followed by a dump com-

       The MetaPost language is similar to Metafont, but the manual A User's Manual  for  MetaPost  assumes  no
       knowledge of Metafont.  MetaPost does not have bitmap output commands or Metafont's online display mech-

              Encoded text of MetaPost's messages.

       *.mem  Predigested MetaPost mem files.
              The standard mem file.
              The Metafont-compatible mem file.  This is loaded when virmp is invoked via a  symbolic  link  as

              The standard MetaPost macros included in the original distribution.

              Various tables for handling included tex and troff.

              Table of corresponding font names for troff and PostScript.
              Table of corresponding font names for tex and PostScript.

              The  source  file for a few sample figures that are part of a LaTeX document $TEXMFMAIN/doc/meta-
              post/mpintro.tex that describes the MetaPost system in a little more detail.

       This manual page is not meant to be exhaustive.  The complete documentation for this version of MetaPost
       can  be found in the info manual Web2C: A TeX implementation.  See also mpman.pdf, the manual written by
       John Hobby (it lives in the documentation directory).

       MetaPost is the native graphics language for ConTeXt, a typesetting system built on top of the TeX  fam-
       ily.  See texexec(1).

       Donald  E.  Knuth,  The Metafontbook (Volume C of Computers and Typesetting), Addison-Wesley, 1986, ISBN
       John D. Hobby, A User's Manual for MetaPost, CSTR 162, AT&T Bell Labs,
       John D. Hobby, Drawing Graphs with MetaPost, CSTR 164, AT&T Bell Labs,
       TUGboat (the journal of the TeX Users Group).

       dvips(1), dvitomp(1), epstopdf(1), mf(1), mpto(1), mptopdf(1), pdftex(1), tex(1), texexec(1).

       MetaPost was designed by John D. Hobby, incorporating algorithms from Metafont by Donald E.  Knuth.   It
       was  originally implemented on Unix, incorporating system-dependent routines from web2c, while not rely-
       ing on it except for the actual Web-to-C translator.

       Ulrik Vieth adapted MetaPost to take advantage of the advanced path searching features  in  more  recent
       versions  of  web2c  and worked towards fully integrating MetaPost into the canonical Unix TeX distribu-
       tion.  He also updated and extended this manual page.

       The current maintainer of MetaPost is Taco Hoekwater.

       Unlike TeX and Metafont, MetaPost originally didn't use any fancy logo.  John Hobby says he prefers  the
       spelling  ''MetaPost'',  yet  Don  Knuth  has  updated the Metafont font to be able to typeset a
       proper MetaPost logo similar to the Metafont logo.  Feel free to use whatever you think is  more  appro-

MetaPost 0.993                  7 January 2007                        MPOST(1)